v3.26.1
Note 7 - Equity-Accounted Investments 1 (Details Textual)
$ in Thousands
9 Months Ended
Apr. 29, 2026
USD ($)
shares
Apr. 30, 2026
USD ($)
shares
Apr. 30, 2025
USD ($)
Jul. 31, 2025
USD ($)
Payments to Acquire Subscription Receipt   $ 40,000 $ (0)  
Uranium Royalty Corp.(URC) Subscription Rights [Member] | Uranium Royalty Corp [Member]        
Investment Owned, Balance, Shares (in shares) | shares 10,989,011      
Investment Owned, Subscription Price 3.64      
Payments to Acquire Subscription Receipt $ 40,000      
Uranium Royalty Corp [Member]        
Equity Method Investment, Shares Owned (in shares) | shares   17,978,364    
Equity Method Investment, Ownership Percentage   12.30%   13.50%
Ownership Interest Percentage, Contingent, Outstanding Options and Warrants Fully Exercised   12.10%    
Equity Method Investments, Fair Value Disclosure   $ 70,120   $ 46,560
JCU (Canada) Exploration Company Limited [Member]        
Equity Method Investment, Ownership Percentage   50.00%